.card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}
.card h2, .card h3 { margin-top: 0; letter-spacing: -.035em; }
.card h3 { margin-bottom: 7px; font-size: 15px; }
.card p { color: var(--color-text-secondary); }
.card-link {
  display: block;
  transition: border-color 170ms ease, transform 170ms ease, background 170ms ease;
}
.card-link:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--color-accent) 65%, var(--color-border)); background: var(--color-surface-elevated); }
.card-link p { margin: 0; font-size: 12px; }
.card-icon {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 15px;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--color-accent) 27%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-accent) 13%, var(--color-surface));
  color: var(--color-accent-hover);
}
.card-arrow { display: block; margin-top: 15px; color: var(--color-accent-hover); font-size: 12px; font-weight: 700; }

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 16px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface-elevated);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.button:hover { transform: translateY(-1px); border-color: var(--color-accent); }
.button:disabled { opacity: .48; cursor: not-allowed; transform: none; }
.button-primary { border-color: var(--color-accent); background: var(--color-accent); color: #08090b; }
.button-primary:hover { background: var(--color-accent-hover); }
.button-quiet { background: transparent; }
.button-danger { border-color: color-mix(in srgb, var(--color-danger) 50%, var(--color-border)); color: var(--color-danger); }

.metric-card { display: grid; gap: 4px; padding: 19px; }
.metric-label, .metric-hint { color: var(--color-text-secondary); font-size: 11px; }
.metric-value { font-size: 28px; line-height: 1.2; letter-spacing: -.05em; }
.metric-hint { font-size: 10px; }
.status-pill, .task-type {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 9px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 27%, transparent);
  border-radius: 99px;
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  color: var(--color-accent-hover);
  font-size: 10px;
  font-weight: 700;
}

.task-card { padding: clamp(22px, 4vw, 34px); }
.task-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.task-prompt { max-width: 760px; margin: 0 0 22px; font-size: clamp(20px, 3vw, 28px); line-height: 1.4; letter-spacing: -.04em; }
.task-image { max-height: 320px; margin: 0 0 20px; border: 1px solid var(--color-border); border-radius: 12px; }
.demo-note { margin: 0 0 18px; color: var(--color-warning) !important; font-size: 11px; }
.answer-control { display: grid; gap: 10px; margin: 20px 0; }
.choice-option {
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  background: var(--color-background);
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}
.choice-option:hover { border-color: color-mix(in srgb, var(--color-accent) 70%, var(--color-border)); }
.choice-option:has(input:checked) { border-color: var(--color-accent); background: color-mix(in srgb, var(--color-accent) 9%, var(--color-surface)); }
.choice-option input { accent-color: var(--color-accent); }
.choice-key { display: grid; width: 27px; height: 27px; place-items: center; border-radius: 8px; background: var(--color-surface-elevated); color: var(--color-accent-hover); font-size: 11px; font-weight: 800; }
.text-control {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-background);
  color: var(--color-text-primary);
}
.text-control:focus { border-color: var(--color-accent); outline: 2px solid color-mix(in srgb, var(--color-accent) 22%, transparent); }
.text-answer { max-width: 360px; }
.form-row { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(120px, 1.4fr); align-items: center; gap: 14px; color: var(--color-text-secondary); font-size: 12px; }
.table-wrap { overflow-x: auto; margin: 0 0 18px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table td, .data-table th { padding: 10px 13px; border: 1px solid var(--color-border); text-align: left; }
.data-table td { color: var(--color-text-secondary); font-size: 12px; }
.feedback { margin: 16px 0; padding: 14px 16px; border: 1px solid; border-radius: 11px; font-size: 12px; }
.feedback-correct { border-color: color-mix(in srgb, var(--color-success) 45%, transparent); background: color-mix(in srgb, var(--color-success) 9%, transparent); }
.feedback-wrong { border-color: color-mix(in srgb, var(--color-danger) 45%, transparent); background: color-mix(in srgb, var(--color-danger) 8%, transparent); }
.feedback-neutral { border-color: color-mix(in srgb, var(--color-warning) 45%, transparent); background: color-mix(in srgb, var(--color-warning) 9%, transparent); }

.test-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 18px; align-items: start; }
.test-sidebar { position: sticky; top: 100px; display: grid; gap: 14px; }
.question-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.question-number {
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: 9px;
  background: var(--color-background);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}
.question-number.is-current { border-color: var(--color-accent); color: var(--color-accent-hover); }
.question-number.is-answered { background: color-mix(in srgb, var(--color-success) 16%, var(--color-surface)); color: var(--color-success); }
.test-controls { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 16px; }
.timer { color: var(--color-accent-hover); font-size: 18px; font-weight: 800; font-variant-numeric: tabular-nums; }
.timer.is-low { color: var(--color-danger); }
.test-progress { height: 5px; overflow: hidden; border-radius: 99px; background: var(--color-surface-elevated); }
.test-progress span { display: block; height: 100%; border-radius: inherit; background: var(--color-accent); transition: width 180ms ease; }
.result-card { display: grid; justify-items: start; gap: 7px; }
.result-score { font-size: 40px; letter-spacing: -.05em; }
.result-percent { color: var(--color-text-secondary); font-size: 12px; }
.result-list { display: grid; gap: 10px; margin-top: 18px; }
.result-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--color-border); font-size: 12px; }
.result-row span:last-child { color: var(--color-text-secondary); text-align: right; }
.stack { display: grid; gap: 12px; }
.form-label { display: grid; gap: 6px; color: var(--color-text-secondary); font-size: 11px; }
.inline-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.inline-form .form-label { flex: 1 1 180px; }
.error-banner, .notice-banner {
  margin-bottom: 18px;
  padding: 13px 15px;
  border: 1px solid color-mix(in srgb, var(--color-danger) 45%, transparent);
  border-radius: 10px;
  background: color-mix(in srgb, var(--color-danger) 8%, var(--color-surface));
  color: var(--color-text-primary);
  font-size: 12px;
}
.notice-banner { border-color: color-mix(in srgb, var(--color-warning) 38%, transparent); background: color-mix(in srgb, var(--color-warning) 7%, var(--color-surface)); }
.empty-state { padding: 25px; border: 1px dashed var(--color-border); border-radius: 14px; color: var(--color-text-secondary); text-align: center; }
.theory-list { display: grid; gap: 14px; }
.theory-card ul { padding-left: 19px; color: var(--color-text-secondary); font-size: 12px; }
.theory-card p { margin-bottom: 6px; font-size: 12px; }
.profile-badge { display: grid; width: 60px; height: 60px; place-items: center; border-radius: 18px; background: color-mix(in srgb, var(--color-accent) 15%, var(--color-surface)); color: var(--color-accent-hover); font-size: 22px; font-weight: 800; }

@media (max-width: 760px) {
  .test-layout { grid-template-columns: 1fr; }
  .test-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .test-sidebar .question-grid { grid-template-columns: repeat(5, 1fr); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-column { grid-template-columns: 1fr; }
}